CVE-2023-40000

Public Exploit
WordPress LiteSpeed Cache plugin <= 5.7 - Unauthenticated Site Wide Stored XSS vulnerability

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through 5.7.

Remediation

Solution:

  • Update to 5.7.0.1 or a higher version.

Category

8.3
CVSS
Severity: High
CVSS 3.1 •
EPSS 42.24% Top 5%
Affected: LiteSpeed Technologies LiteSpeed Cache
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-40000?
CVE-2023-40000 has been scored as a high severity vulnerability.
How to fix CVE-2023-40000?
To fix CVE-2023-40000: Update to 5.7.0.1 or a higher version.
Is CVE-2023-40000 being actively exploited in the wild?
It is possible that CVE-2023-40000 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~42% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-40000?
CVE-2023-40000 affects LiteSpeed Technologies LiteSpeed Cache.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.